The black colored, genuine cased, mouth-blown, hand-cut, 24% lead crystal champagne glass has a tall shape and small mouth allow the bubbles to move slowly and retain their effervescence. This flute will set you apart from the ordinary and show you know your way around the world of fine craftsmanship. Regina Champagne Glass is elegant in design, fragile to the eye, and sturdy in the hand. Black crystal is considered to be a rarity among colelctors as it more demanding to manufacture than other colors.